The fastest open-source AI gateway for LLMs, MCP and agents
OpenAI-compatible AI API relay for multiple AI models with prepaid wallet billing
Stage
Not given
Not given
Founded
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Based in
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HK
Pricing model
Freemium
Paid
Pricing
Bifrost OSS is free forever. Bifrost Enterprise has custom pricing; contact sales for a quote.
Chat models from $0.019708 per million tokens; Image models from $0.00386 per image; Video models from $0.016 per second; Audio models from $0.00291 per request; Embedding models from $0.019 per million tokens. Example rates: Grok 4.6 at $1.9 input/$5.7 output per million tokens, Claude Opus 5.5 at
Key features
Drop-in replacement for any AI SDK with support for OpenAI, Anthropic, and LiteLLM
Model catalog providing access to 1000+ AI models from 8+ providers
Automatic provider failover for 99.99% uptime
Budget management and rate limiting across virtual keys and teams
Built-in OpenTelemetry observability
MCP gateway for centralized tool connections and governance
Real-time guardrails for blocking unsafe model outputs
Virtual key management with independent budgets and access control
Semantic caching to reduce costs and latency
Enterprise clustering with high availability and zero-downtime deployments
OpenAI-compatible base URL and SDK support
197 AI models across 30 brands
Chat, image, video, audio and embedding models
Prepaid wallet billing with per-token pricing
Minimum $1 top-up with multiple payment methods
Alipay, Stripe, Antom and cryptocurrency payments
Dashboard with usage and spending records
Seven-language interface
API keys and spending limits management
Public API status page for provider availability
What makes it different
50x faster than LiteLLM with P99 latency of 20 microseconds at 5k requests per second
Zero-touch in-VPC deployments ensure no data leaves your infrastructure
Free and open source with Apache 2.0 license
Works seamlessly with all major LLM frameworks including OpenAI, Anthropic, LangChain, and LiteLLM
Enterprise-grade governance with SSO, RBAC, and audit logs included in Enterprise tier
Single API key and endpoint for 197 models from 30 brands
OpenAI SDK compatibility with one-line URL change
Global payment options including cryptocurrency and Alipay
Transparent per-model pricing visible before API calls
Support for emerging AI providers and latest models
Bifrost
TokenMix